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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/misc/expando-loss-2.html b/dom/canvas/test/webgl-conf/checkout/conformance2/misc/expando-loss-2.html new file mode 100644 index 0000000000..141a5377a8 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/misc/expando-loss-2.html @@ -0,0 +1,285 @@ +<!-- +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +--> +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<link rel="stylesheet" href="../../resources/js-test-style.css"/> +<script src="../../js/js-test-pre.js"></script> +<script src="../../js/webgl-test-utils.js"></script> +<title>WebGL 2 Object Expandos Conformance Test</title> +</head> +<body> +<div id="description"></div> +<div id="console"></div> +<canvas id="canvas" width="8" height="8" style="width: 8px; height: 8px;"></canvas> +<script> +"use strict"; +description("This test verifies that WebGL object expandos are preserved across garbage collections."); + +var wtu = WebGLTestUtils; +var canvas = document.getElementById("canvas"); +var gl = wtu.create3DContext(canvas, {antialias: false}, 2); + +// Helpers that set expandos and verify they are set to the correct value. +var expandoValue = "WebGL is awesome!" +function setTestExpandos(instance, extra) { + instance.expando1 = expandoValue; + instance.expando2 = { subvalue : expandoValue }; + instance.expando_extra = extra; +} +function verifyTestExpandos(instance, msg, extra) { + assertMsg(instance.expando1 === expandoValue, msg + ": Expect basic expando to survive despite GC."); + assertMsg(instance.expando2 && instance.expando2.subvalue === expandoValue, msg + ": Expect subobject expando to survive despite GC."); + assertMsg(instance.expando_extra === extra, msg + ": Expect extra expando to survive despite GC."); +} + +// Tests that we don't get expando loss for bound resources where the +// only remaining reference is internal to WebGL +function testBasicBindings() { + debug('Basic Bindings'); + + // Test data that describes how to create, bind, and retrieve an object off of the context + var glProt = Object.getPrototypeOf(gl); + var simpleData = [ + { + typeName: 'WebGLSampler', + creationFn: glProt.createSampler, + bindFn: glProt.bindSampler, + bindConstant: 0, + retrieveConstant: glProt.SAMPLER_BINDING, + name: "SAMPLER_BINDING", + }, + { + typeName: 'WebGLTransformFeedback', + creationFn: glProt.createTransformFeedback, + bindFn: glProt.bindTransformFeedback, + bindConstant: glProt.TRANSFORM_FEEDBACK, + retrieveConstant: glProt.TRANSFORM_FEEDBACK_BINDING, + name: "TRANSFORM_FEEDBACK_BINDING", + }, + { + typeName: 'WebGLVertexArrayObject', + creationFn: glProt.createVertexArray, + bindFn: glProt.bindVertexArray, + bindConstant: null, + retrieveConstant: glProt.VERTEX_ARRAY_BINDING, + name: "VERTEX_ARRAY_BINDING", + }, + { + typeName: 'WebGLTexture', + creationFn: glProt.createTexture, + bindFn: glProt.bindTexture, + bindConstant: glProt.TEXTURE_3D, + retrieveConstant: glProt.TEXTURE_BINDING_3D, + name: "TEXTURE_BINDING_3D", + }, + { + typeName: 'WebGLTexture', + creationFn: glProt.createTexture, + bindFn: glProt.bindTexture, + bindConstant: glProt.TEXTURE_2D_ARRAY, + retrieveConstant: glProt.TEXTURE_BINDING_2D_ARRAY, + name: "TEXTURE_BINDING_2D_ARRAY", + }, + { + typeName: 'WebGLFramebuffer', + creationFn: glProt.createFramebuffer, + bindFn: glProt.bindFramebuffer, + bindConstant: glProt.READ_FRAMEBUFFER, + retrieveConstant: glProt.READ_FRAMEBUFFER_BINDING, + name: "READ_FRAMEBUFFER_BINDING", + }, + { + typeName: 'WebGLFramebuffer', + creationFn: glProt.createFramebuffer, + bindFn: glProt.bindFramebuffer, + bindConstant: glProt.DRAW_FRAMEBUFFER, + retrieveConstant: glProt.DRAW_FRAMEBUFFER_BINDING, + name: "DRAW_FRAMEBUFFER_BINDING", + }, + { + typeName: 'WebGLBuffer', + creationFn: glProt.createBuffer, + bindFn: glProt.bindBuffer, + bindConstant: glProt.COPY_READ_BUFFER, + retrieveConstant: glProt.COPY_READ_BUFFER_BINDING, + name: "COPY_READ_BUFFER_BINDING", + }, + { + typeName: 'WebGLBuffer', + creationFn: glProt.createBuffer, + bindFn: glProt.bindBuffer, + bindConstant: glProt.COPY_WRITE_BUFFER, + retrieveConstant: glProt.COPY_WRITE_BUFFER_BINDING, + name: "COPY_WRITE_BUFFER_BINDING", + }, + { + typeName: 'WebGLBuffer', + creationFn: glProt.createBuffer, + bindFn: glProt.bindBuffer, + bindConstant: glProt.PIXEL_PACK_BUFFER, + retrieveConstant: glProt.PIXEL_PACK_BUFFER_BINDING, + name: "PIXEL_PACK_BUFFER_BINDING", + }, + { + typeName: 'WebGLBuffer', + creationFn: glProt.createBuffer, + bindFn: glProt.bindBuffer, + bindConstant: glProt.PIXEL_UNPACK_BUFFER, + retrieveConstant: glProt.PIXEL_UNPACK_BUFFER_BINDING, + name: "PIXEL_UNPACK_BUFFER_BINDING", + }, + { + typeName: 'WebGLBuffer', + creationFn: glProt.createBuffer, + bindFn: glProt.bindBuffer, + bindConstant: glProt.TRANSFORM_FEEDBACK_BUFFER, + retrieveConstant: glProt.TRANSFORM_FEEDBACK_BUFFER_BINDING, + name: "TRANSFORM_FEEDBACK_BUFFER_BINDING", + }, + { + typeName: 'WebGLBuffer', + creationFn: glProt.createBuffer, + bindFn: glProt.bindBuffer, + bindConstant: glProt.UNIFORM_BUFFER, + retrieveConstant: glProt.UNIFORM_BUFFER_BINDING, + name: "UNIFORM_BUFFER_BINDING", + }, + ]; + + simpleData.forEach(function(test) { + var instance = test.creationFn.call(gl); + var msg = "getParameter(" + test.name + ")"; + setTestExpandos(instance); + + if (test.bindConstant === null) { + test.bindFn.call(gl, instance); + } else { + test.bindFn.call(gl, test.bindConstant, instance); + } + assertMsg(instance === gl.getParameter(test.retrieveConstant), msg + " returns instance that was bound."); + + // Garbage collect Javascript references. Remaining references should be internal to WebGL. + instance = null; + webglHarnessCollectGarbage(); + + var retrievedObject = gl.getParameter(test.retrieveConstant); + verifyTestExpandos(retrievedObject, msg); + shouldBeType(retrievedObject, test.typeName); + debug(''); + }); +} + +function testIndexedBindings() { + debug('Indexed Bindings'); + + // Test data that describes how to create, bind, and retrieve an indexed object off of the context + var glProt = Object.getPrototypeOf(gl); + var simpleData = [ + { + typeName: 'WebGLBuffer', + creationFn: glProt.createBuffer, + bindFn: glProt.bindBufferBase, + indexMax: gl.getParameter(glProt.MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS) - 1, + bindConstant: glProt.TRANSFORM_FEEDBACK_BUFFER, + retrieveConstant: glProt.TRANSFORM_FEEDBACK_BUFFER_BINDING, + name: "TRANSFORM_FEEDBACK_BUFFER_BINDING", + }, + { + typeName: 'WebGLBuffer', + creationFn: glProt.createBuffer, + bindFn: glProt.bindBufferBase, + indexMax: gl.getParameter(glProt.MAX_UNIFORM_BUFFER_BINDINGS) - 1, + bindConstant: glProt.UNIFORM_BUFFER, + retrieveConstant: glProt.UNIFORM_BUFFER_BINDING, + name: "UNIFORM_BUFFER_BINDING", + }, + ]; + + simpleData.forEach(function(test) { + // This test sets all of the separate indexed bindings first, then + // tests them all. It puts a different extra expando on each indexed + // parameter so that we can ensure they're all distinct. + var instances = []; + for (var i = 0; i <= test.indexMax; i++) { + var instance = test.creationFn.call(gl); + var msg = "getIndexedParameter(" + test.name + ", " + i + ")"; + setTestExpandos(instance, i); + instances[i] = instance; + test.bindFn.call(gl, test.bindConstant, i, instance); + } + + for (var i = 0; i <= test.indexMax; i++) { + var msg = "getIndexedParameter(" + test.name + ", " + i + ")"; + assertMsg(instances[i] === gl.getIndexedParameter(test.retrieveConstant, i), msg + " returns instance that was bound."); + } + + // Garbage collect Javascript references. Remaining references should be internal to WebGL. + instances = null; + webglHarnessCollectGarbage(); + + for (var i = 0; i <= test.indexMax; i++) { + var msg = "getIndexedParameter(" + test.name + ", " + i + ")"; + var retrievedObject = gl.getIndexedParameter(test.retrieveConstant, i); + verifyTestExpandos(retrievedObject, msg, i); + shouldBeType(retrievedObject, test.typeName); + debug(''); + } + }); +} + +function testQueries() { + debug('Query'); + + expandoValue = "First query"; + var query1 = gl.createQuery(); + setTestExpandos(query1); + gl.beginQuery(gl.ANY_SAMPLES_PASSED, query1); + + expandoValue = "Second query"; + var query2 = gl.createQuery(); + setTestExpandos(query2); + gl.beginQuery(gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, query2); + + + assertMsg(query1 === gl.getQuery(gl.ANY_SAMPLES_PASSED, gl.CURRENT_QUERY), "CURRENT_QUERY returns instance that was bound."); + assertMsg(query2 === gl.getQuery(gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, gl.CURRENT_QUERY), "CURRENT_QUERY returns instance that was bound."); + + // Garbage collect Javascript references. Remaining references should be internal to WebGL. + query1 = null; + query2 = null; + webglHarnessCollectGarbage(); + + var retrievedQuery1 = gl.getQuery(gl.ANY_SAMPLES_PASSED, gl.CURRENT_QUERY); + var retrievedQuery2 = gl.getQuery(gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, gl.CURRENT_QUERY); + expandoValue = "First query"; + verifyTestExpandos(retrievedQuery1, "Query"); + shouldBeType(retrievedQuery1, 'WebGLQuery'); + + expandoValue = "Second query"; + verifyTestExpandos(retrievedQuery2, "Query"); + shouldBeType(retrievedQuery2, 'WebGLQuery'); + + gl.endQuery(gl.ANY_SAMPLES_PASSED); + gl.endQuery(gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN); + + debug(''); +} + +// Run tests +testBasicBindings(); +testIndexedBindings(); +testQueries(); + +// FYI: There's no need to test WebGLSync objects because there is no notion of an "active" sync, +// and thus no way to query them back out of the context. + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> +</body> +</html> |